状语从句ppt

null状语从句状语从句null九种常用的状语从句 时间状语从句 地点状语从句 原因状语从句 条件状语从句 让步状语从句 结果状语从句 目的状语从句 方式状语从句 比较状语从句 状语从句有九种， 时地原因条状补， 目比结果方让步， 连词引导各不同； 主句通常前面走， 连词引导紧随后， 从句若在主前头， 主从之间有个逗。nullWhile I was wondering at this, our schoolmaster took his place. ( ) 2. Where there is a will, there is a way. ( ) 3. Now that/Since everybody is here, let’s begin our meeting. （ ） 4. I’ll speak slowly so that you can understand me. ( ) 5. So clever was he a student that he was able to work out all the difficult problems. ( ) 6. As long as you don’t lose heart, you’ll succeed. ( ) 7. Try as he might, he could not find a job. ( ) 8. The old lady treats the boy as if he were his own son. ( ) 时间地点原因目的结果条件让步方式状语从句的分类null一 时间状语从句When 既可指某一点时间,也可指一段时间; while指“在某一段时间里”，“在…期间”，引导的动作必须是持续性的; as强调主句和从句的动作同时发生。,翻译成”一边……一边……”1. when / while/ asWhen he returned, his wife was cooking. While he was reading, his wife was cooking. As he was reading, he was listening to the radio.注意:注意:when / while都可以做并列连词,连接并列句,when 表 关于同志近三年现实表现材料材料类招标技术评分表图表与交易pdf视力表打印pdf用图表说话 pdf 示 “就在这时”和 “was doing”, “had just done”和 “was about to do”连用; while则表示转折“然而” I was about to leave when the mobile phone rang. I like English while my brother likes math.2. “一……就……”2. “一……就……”As soon as I arrive in Shanghai, I’ll write to you.upon/ on+ arriving Immediately +句子 The +时间名词(minute/moment ……)+句子Hardly/Scarcely…when No sooner…than 放句首，前倒后不倒 主句是过去完成时，从句是一般过去时Hardly/Scarcely…when No sooner…than 放句首，前倒后不倒 主句是过去完成时，从句是一般过去时我刚一到家，就下雨了。 I had hardly/ scarcely got home when it began to rain. I had no sooner got home than it began to rain. =Hardly/ Scarcely had I got home when it began to rain. =No sooner had I got home than it began to rain.null3. before It will be +一段时间+before从句(does) 要过……才能做 It will not be +一段时间+before从句 要不了…… 就能做 It was +一段时间+before从句(did) 过了……做了…… It was not+一段时间+before从句(did) 没过……做了……null 1）It will be/＋时间段＋before…“还要过多久才……” It will be two years before he leaves the country. 2） It was +时间段+before 从句 （动作已发生） It was three weeks before he came back 3） It will not be long before…“不多久就会……” It won’t be long before she comes back 4） It was not long before…“不多久就……了” 如： It wasn’t long before he left the country. 5）It is＋时间＋since…如： It is three years since she was in the army. It is three years since she joined the army. 注意时态null4.till /until We waited till (until) he came back . 我们一直等到他回来。 She didn’t stop working until eleven o’clock .她到11点钟才停止工作。 如主句动词是延续性动作，常用肯定式，表示“直到…为止”; 如主句动词是瞬间动词，常用否定式，表示“直到…才”Not until 句型Not until 句型与强调句型结合 I didn’t go to sleep until he came back. 与倒装句式结合It was not until he came back that I went to sleep.Not until he came back did I go to sleep.nullnull三 原因状语从句because / sincebecause表示直接的原因,具有很强的因果关系,专门回答对 “why”的提问; Since=now that, 表示已知或显然的原因,翻译成“既然”，通常放句首; It was because his mother was badly ill that he was unhappy. Since everyone knows it, I will not say anything.nullfor 不是从属连词，而是并列连词。它不是用来说明原因，而是用来表示一种附带或补充解释、说明，不放在句首。The day breaks, for the birds are singing.null四 条件状语从句1, 连接词：if , unless( if---not), so/as long as, 2, 注意点：分清真实条件句和非真实条件句，非真实条件句中要用虚拟语气If I were you, I would ask the police for help. 条件状语从句用一般现在时表示将来时null1._____you call me to say you're not coming，I'll see you at the theatre. A. Though  B. Whether  C. Until  D. Unless 2.---What would you do if it ___ tomorrow？ ---We have to carry it on, since we've got everything ready. A. rain  B. rains  C. will rain  D. is raining 3.You must keep on working in the evening ____ you are sure you can finish the task in time. A. as  B. if  C. when  D. unless 4._______you've tried it，you can't imagine how pleasant it is. A. Unless  B. Because  C. Although  D. When 5.In time of serious accidents，____we know some basic things about first aid，we can save lives. A. whether  B. until  C. if  D. unless五 目的状语从句五 目的状语从句that/ so that/ in order that引导目的状语 句,常用情态动词may (might)/ can (could) /should 等连用. I raised my voice so that everyone could hear me.六 结果状语从句六 结果状语从句so that/so…that/such…that I raised my voice, so that everyone heard me. He was so excited that he couldn’t say a word. She told us such an interesting story that we all forgot the time. so…that的so后面跟形容词或副词;such 在主句中修饰名词 七 方式状语从句Draw a cat as I taught you . 按照我教你的画一只猫。 Do as you are told. 按照人家告诉你做的去做。as 按照或正如They treat the black boy as if (though) he were an animal. 他们对待这黑孩子仿佛他是一头牲口。as if/as though好象,似乎 七 方式状语从句 八 让步状语从句 八 让步状语从句though/although不能与but连用, 但可与yet或 still连用 Although (Though) he was over sixty, (yet) he began to learn French. even if/even though“即使,纵使”有退一步设 想的意味，多用于书面语中。 I’ll go even if (though) it rains tomorrow. 即使明天下雨，我也要去。 null no matter +疑问词 /wh－ever as 倒装句 Child as he is , he knows a lot . 尽管他是一个孩子，但他懂得很多。 Cold as it is, (= Though it is cold,) the children play outdoors. 尽管天气冷，但孩子们仍在户外玩。Do it no matter what others say. No matter how busy he was, he studied English every day. as引出的状语从句多用于书面语，它比用though引导的从句，语气强，更有表现力，从句常放在句首，语序部分倒装。 九 比 较 状 语 从 句 九 比 较 状 语 从 句as…as not so …as the same as such…as thannullHis book is the same as mine. 他的书和我的一样。 Henry is not such a good worker as Peter . 享利这个工人不如彼得那样好。 null1.I’ll ring you up___________ I get to America． 2.______it rains tomorrow, the sports meeting will be put off. 3.They walked out of the room the meeting was over. 4.I think Chinese is ____ interesting ____English. 5.This mountain is ______ steep______ we can hardly reach the top． 6. ______________ she is eighty, she looks strong and healthy. 7.He sat in the dark _________he couldn’t be seen. as soon asIfbecauseas as so that Even thoughso that时间条件原因比较结果让步目的nullnullnullnull